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yaws.erl
2824 lines (2443 loc) · 101 KB
/
yaws.erl
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%%%----------------------------------------------------------------------
%%% File : yaws.erl
%%% Author : Claes Wikstrom <klacke@bluetail.com>
%%% Purpose :
%%% Created : 16 Jan 2002 by Claes Wikstrom <klacke@bluetail.com>
%%%----------------------------------------------------------------------
-module(yaws).
-author('klacke@bluetail.com').
-include("../include/yaws.hrl").
-include("../include/yaws_api.hrl").
-include("yaws_appdeps.hrl").
-include("yaws_debug.hrl").
-include_lib("kernel/include/file.hrl").
-export([start/0, stop/0, hup/1, restart/0, modules/0, load/0]).
-export([start_embedded/1, start_embedded/2, start_embedded/3, start_embedded/4,
add_server/2, create_gconf/2, create_sconf/2, setup_sconf/2]).
-export([gconf_yaws_dir/1, gconf_trace/1, gconf_flags/1, gconf_logdir/1,
gconf_ebin_dir/1, gconf_src_dir/1, gconf_runmods/1,
gconf_keepalive_timeout/1, gconf_keepalive_maxuses/1,
gconf_max_num_cached_files/1, gconf_max_num_cached_bytes/1,
gconf_max_size_cached_file/1, gconf_max_connections/1,
gconf_process_options/1, gconf_large_file_chunk_size/1,
gconf_mnesia_dir/1, gconf_log_wrap_size/1, gconf_cache_refresh_secs/1,
gconf_include_dir/1, gconf_phpexe/1, gconf_yaws/1, gconf_id/1,
gconf_enable_soap/1, gconf_soap_srv_mods/1, gconf_ysession_mod/1,
gconf_acceptor_pool_size/1, gconf_mime_types_info/1,
gconf_nslookup_pref/1]).
-export([sconf_port/1, sconf_flags/1, sconf_redirect_map/1, sconf_rhost/1,
sconf_rmethod/1, sconf_docroot/1, sconf_xtra_docroots/1,
sconf_listen/1, sconf_servername/1, sconf_serveralias/1, sconf_yaws/1,
sconf_ets/1, sconf_ssl/1, sconf_authdirs/1, sconf_partial_post_size/1,
sconf_appmods/1, sconf_expires/1, sconf_errormod_401/1,
sconf_errormod_404/1, sconf_arg_rewrite_mode/1, sconf_logger_mod/1,
sconf_opaque/1, sconf_start_mod/1, sconf_allowed_scripts/1,
sconf_tilde_allowed_scripts/1, sconf_index_files/1, sconf_revproxy/1,
sconf_spotions/1, sconf_extra_cgi_vars/1, sconf_stats/1,
sconf_fcgi_app_server/1, sconf_php_handler/1, sconf_shaper/1,
sconf_deflate_options/1, sconf_mime_types_info/1,
sconf_dispatch_mod/1]).
-export([new_auth/0,
auth_dir/1, auth_dir/2,
auth_docroot/1, auth_docroot/2,
auth_files/1, auth_files/2,
auth_realm/1, auth_realm/2,
auth_type/1, auth_type/2,
auth_headers/1, auth_headers/2,
auth_users/1, auth_users/2,
auth_acl/1, auth_acl/2,
auth_mod/1, auth_mod/2,
auth_outmod/1, auth_outmod/2,
auth_pam/1, auth_pam/2]).
-export([new_ssl/0,
ssl_keyfile/1, ssl_keyfile/2,
ssl_certfile/1, ssl_certfile/2,
ssl_verify/1, ssl_verify/2,
ssl_fail_if_no_peer_cert/1, ssl_fail_if_no_peer_cert/2,
ssl_depth/1, ssl_depth/2,
ssl_password/1, ssl_password/2,
ssl_cacertfile/1, ssl_cacertfile/2,
ssl_ciphers/1, ssl_ciphers/2,
ssl_cachetimeout/1, ssl_cachetimeout/2,
ssl_secure_renegotiate/1, ssl_secure_renegotiate/2]).
-export([new_deflate/0,
deflate_min_compress_size/1, deflate_min_compress_size/2,
deflate_compression_level/1, deflate_compression_level/2,
deflate_window_size/1, deflate_window_size/2,
deflate_mem_level/1, deflate_mem_level/2,
deflate_strategy/1, deflate_strategy/2,
deflate_use_gzip_static/1, deflate_use_gzip_static/2,
deflate_mime_types/1, deflate_mime_types/2]).
-export([new_mime_types_info/0,
mime_types_info_mime_types_file/1, mime_types_info_mime_types_file/2,
mime_types_info_types/1, mime_types_info_types/2,
mime_types_info_charsets/1, mime_types_info_charsets/2,
mime_types_info_default_type/1, mime_types_info_default_type/2,
mime_types_info_default_charset/1, mime_types_info_default_charset/2]).
-export([first/2, elog/2, filesize/1, upto/2, to_string/1, to_list/1,
integer_to_hex/1, hex_to_integer/1, string_to_hex/1, hex_to_string/1,
is_modified_p/2, flag/3, dohup/1, is_ssl/1, address/0, is_space/1,
setopts/3, eat_crnl/2, get_chunk_num/2, get_chunk_header/2,
get_chunk/4, get_chunk_trailer/2, list_to_uue/1, uue_to_list/1,
printversion/0, strip_spaces/1, strip_spaces/2,
month/1, mk2/1, home/0, arg_rewrite/1, to_lowerchar/1, to_lower/1,
funreverse/2, is_prefix/2, split_sep/2, join_sep/2, accepts_gzip/2,
upto_char/2, deepmap/2, ticker/2, ticker/3,
parse_qvalue/1, parse_auth/1]).
-export([outh_set_status_code/1,
outh_set_non_cacheable/1,
outh_set_content_type/1,
outh_set_content_encoding/1,
outh_set_cookie/1,
outh_set_static_headers/3, outh_set_static_headers/4,
outh_set_304_headers/3,
outh_set_dyn_headers/3,
outh_set_connection/1,
outh_set_content_length/1,
outh_set_dcc/2,
outh_set_transfer_encoding_off/0,
outh_set_auth/1,
outh_set_vary/1,
outh_clear_headers/0,
outh_fix_doclose/0,
dcc/2]).
-export([make_allow_header/0, make_allow_header/1,
make_server_header/0,
make_last_modified_header/1,
make_location_header/1,
make_etag_header/1,
make_content_range_header/1,
make_content_length_header/1,
make_content_encoding_header/1,
make_connection_close_header/1,
make_transfer_encoding_chunked_header/1,
make_www_authenticate_header/1,
make_etag/1,
make_content_type_header/1,
make_date_header/0,
make_vary_header/1]).
-export([outh_get_status_code/0,
outh_get_contlen/0,
outh_get_act_contlen/0,
outh_inc_act_contlen/1,
outh_get_doclose/0,
outh_get_chunked/0,
outh_get_content_encoding/0,
outh_get_content_encoding_header/0,
outh_get_content_type/0,
outh_get_vary_fields/0,
outh_serialize/0]).
-export([accumulate_header/1, headers_to_str/1,
getuid/0,
user_to_home/1,
uid_to_name/1,
exists/1,
mkdir/1]).
-export([tcp_connect/3, tcp_connect/4, ssl_connect/3, ssl_connect/4]).
-export([do_recv/3, do_recv/4, cli_recv/3,
gen_tcp_send/2,
http_get_headers/2]).
-export([sconf_to_srvstr/1,
redirect_host/2, redirect_port/1,
redirect_scheme_port/1, redirect_scheme/1,
tmpdir/0, tmpdir/1, mktemp/1, split_at/2, insert_at/3,
id_dir/1, ctl_file/1]).
-export([parse_ipmask/1, match_ipmask/2]).
-export([get_app_dir/0, get_ebin_dir/0, get_priv_dir/0,
get_inc_dir/0, get_src_dir/0]).
%% Internal
-export([local_time_as_gmt_string/1, universal_time_as_string/1,
stringdate_to_datetime/1]).
start() ->
ok = start_app_deps(),
application:start(yaws, permanent).
stop() ->
application:stop(yaws).
%%% Quick and easy way of starting Yaws in embedded mode. No need for any
%%% start-script switches and no dependencies to Yaws header files. Just call
%%% start_embedded/N and you are in the air.
start_embedded(DocRoot) ->
start_embedded(DocRoot, []).
start_embedded(DocRoot, SL) when is_list(DocRoot),is_list(SL) ->
start_embedded(DocRoot, SL, []).
start_embedded(DocRoot, SL, GL) when is_list(DocRoot),is_list(SL),is_list(GL) ->
start_embedded(DocRoot, SL, GL, "default").
start_embedded(DocRoot, SL, GL, Id)
when is_list(DocRoot), is_list(SL), is_list(GL) ->
ok = start_app_deps(),
{ok, SCList, GC, _} = yaws_api:embedded_start_conf(DocRoot, SL, GL, Id),
ok = application:start(yaws, permanent),
yaws_config:add_yaws_soap_srv(GC),
yaws_api:setconf(GC, SCList),
ok.
add_server(DocRoot, SL) when is_list(DocRoot),is_list(SL) ->
SC = create_sconf(DocRoot, SL),
%% Change #auth in authdirs to {Dir, #auth} if needed
Fun = fun
(A = #auth{dir = [Dir]}, Acc) -> [{Dir, A}| Acc];
(A, Acc) -> [A| Acc]
end,
Authdirs = lists:foldr(Fun, [], SC#sconf.authdirs),
SC1 = yaws_config:add_yaws_auth(SC#sconf{authdirs = Authdirs}),
yaws_config:add_sconf(SC1).
create_gconf(GL, Id) when is_list(GL) ->
setup_gconf(GL, yaws_config:make_default_gconf(false, Id)).
create_sconf(DocRoot, SL) when is_list(DocRoot), is_list(SL) ->
SC = yaws_config:make_default_sconf(DocRoot, lkup(port, SL, undefined)),
setup_sconf(SL, SC).
start_app_deps() ->
Deps = split_sep(?YAWS_APPDEPS, $,),
catch lists:foldl(fun(App0, Acc) ->
App = list_to_existing_atom(App0),
case application:start(App, permanent) of
ok -> Acc;
{error,{already_started,App}} -> Acc;
Else -> throw(Else)
end
end, ok, Deps).
%% Access functions for the GCONF and SCONF records.
gconf_yaws_dir (#gconf{yaws_dir = X}) -> X.
gconf_trace (#gconf{trace = X}) -> X.
gconf_flags (#gconf{flags = X}) -> X.
gconf_logdir (#gconf{logdir = X}) -> X.
gconf_ebin_dir (#gconf{ebin_dir = X}) -> X.
gconf_src_dir (#gconf{src_dir = X}) -> X.
gconf_runmods (#gconf{runmods = X}) -> X.
gconf_keepalive_timeout (#gconf{keepalive_timeout = X}) -> X.
gconf_keepalive_maxuses (#gconf{keepalive_maxuses = X}) -> X.
gconf_max_num_cached_files (#gconf{max_num_cached_files = X}) -> X.
gconf_max_num_cached_bytes (#gconf{max_num_cached_bytes = X}) -> X.
gconf_max_size_cached_file (#gconf{max_size_cached_file = X}) -> X.
gconf_max_connections (#gconf{max_connections = X}) -> X.
gconf_process_options (#gconf{process_options = X}) -> X.
gconf_large_file_chunk_size(#gconf{large_file_chunk_size = X}) -> X.
gconf_mnesia_dir (#gconf{mnesia_dir = X}) -> X.
gconf_log_wrap_size (#gconf{log_wrap_size = X}) -> X.
gconf_cache_refresh_secs (#gconf{cache_refresh_secs = X}) -> X.
gconf_include_dir (#gconf{include_dir = X}) -> X.
gconf_phpexe (#gconf{phpexe = X}) -> X.
gconf_yaws (#gconf{yaws = X}) -> X.
gconf_id (#gconf{id = X}) -> X.
gconf_enable_soap (#gconf{enable_soap = X}) -> X.
gconf_soap_srv_mods (#gconf{soap_srv_mods = X}) -> X.
gconf_ysession_mod (#gconf{ysession_mod = X}) -> X.
gconf_acceptor_pool_size (#gconf{acceptor_pool_size = X}) -> X.
gconf_mime_types_info (#gconf{mime_types_info = X}) -> X.
gconf_nslookup_pref (#gconf{nslookup_pref = X}) -> X.
sconf_port (#sconf{port = X}) -> X.
sconf_flags (#sconf{flags = X}) -> X.
sconf_redirect_map (#sconf{redirect_map = X}) -> X.
sconf_rhost (#sconf{rhost = X}) -> X.
sconf_rmethod (#sconf{rmethod = X}) -> X.
sconf_docroot (#sconf{docroot = X}) -> X.
sconf_xtra_docroots (#sconf{xtra_docroots = X}) -> X.
sconf_listen (#sconf{listen = X}) -> X.
sconf_servername (#sconf{servername = X}) -> X.
sconf_serveralias (#sconf{serveralias = X}) -> X.
sconf_yaws (#sconf{yaws = X}) -> X.
sconf_ets (#sconf{ets = X}) -> X.
sconf_ssl (#sconf{ssl = X}) -> X.
sconf_authdirs (#sconf{authdirs = X}) -> X.
sconf_partial_post_size (#sconf{partial_post_size = X}) -> X.
sconf_appmods (#sconf{appmods = X}) -> X.
sconf_expires (#sconf{expires = X}) -> X.
sconf_errormod_401 (#sconf{errormod_401 = X}) -> X.
sconf_errormod_404 (#sconf{errormod_404 = X}) -> X.
sconf_arg_rewrite_mode (#sconf{arg_rewrite_mod = X}) -> X.
sconf_logger_mod (#sconf{logger_mod = X}) -> X.
sconf_opaque (#sconf{opaque = X}) -> X.
sconf_start_mod (#sconf{start_mod = X}) -> X.
sconf_allowed_scripts (#sconf{allowed_scripts = X}) -> X.
sconf_tilde_allowed_scripts(#sconf{tilde_allowed_scripts = X}) -> X.
sconf_index_files (#sconf{index_files = X}) -> X.
sconf_revproxy (#sconf{revproxy = X}) -> X.
sconf_spotions (#sconf{soptions = X}) -> X.
sconf_extra_cgi_vars (#sconf{extra_cgi_vars = X}) -> X.
sconf_stats (#sconf{stats = X}) -> X.
sconf_fcgi_app_server (#sconf{fcgi_app_server = X}) -> X.
sconf_php_handler (#sconf{php_handler = X}) -> X.
sconf_shaper (#sconf{shaper = X}) -> X.
sconf_deflate_options (#sconf{deflate_options = X}) -> X.
sconf_mime_types_info (#sconf{mime_types_info = X}) -> X.
sconf_dispatch_mod (#sconf{dispatch_mod = X}) -> X.
%% Access functions for the AUTH record.
new_auth() -> #auth{}.
auth_dir (#auth{dir = X}) -> X.
auth_docroot(#auth{docroot = X}) -> X.
auth_files (#auth{files = X}) -> X.
auth_realm (#auth{realm = X}) -> X.
auth_type (#auth{type = X}) -> X.
auth_headers(#auth{headers = X}) -> X.
auth_users (#auth{users = X}) -> X.
auth_acl (#auth{acl = X}) -> X.
auth_mod (#auth{mod = X}) -> X.
auth_outmod (#auth{outmod = X}) -> X.
auth_pam (#auth{pam = X}) -> X.
auth_dir (A, Dir) -> A#auth{dir = Dir}.
auth_docroot(A, DocRoot) -> A#auth{docroot = DocRoot}.
auth_files (A, Files) -> A#auth{files = Files}.
auth_realm (A, Realm) -> A#auth{realm = Realm}.
auth_type (A, Type) -> A#auth{type = Type}.
auth_headers(A, Headers) -> A#auth{headers = Headers}.
auth_users (A, Users) -> A#auth{users = Users}.
auth_acl (A, Acl) -> A#auth{acl = Acl}.
auth_mod (A, Mod) -> A#auth{mod = Mod}.
auth_outmod (A, Outmod) -> A#auth{outmod = Outmod}.
auth_pam (A, Pam) -> A#auth{pam = Pam}.
setup_authdirs(SL, DefaultAuthDirs) ->
case [A || {auth, A} <- SL] of
[] -> DefaultAuthDirs;
As -> [setup_auth(A) || A <- As]
end.
setup_auth(#auth{}=Auth) ->
Auth;
setup_auth(AuthProps) ->
Auth = #auth{},
#auth{dir = lkup(dir, AuthProps, Auth#auth.dir),
docroot = lkup(docroot, AuthProps, Auth#auth.docroot),
files = lkup(files, AuthProps, Auth#auth.files),
realm = lkup(realm, AuthProps, Auth#auth.realm),
type = lkup(type, AuthProps, Auth#auth.type),
headers = lkup(headers, AuthProps, Auth#auth.headers),
users = lkup(users, AuthProps, Auth#auth.users),
acl = lkup(acl, AuthProps, Auth#auth.acl),
mod = lkup(mod, AuthProps, Auth#auth.mod),
outmod = lkup(outmod, AuthProps, Auth#auth.outmod),
pam = lkup(pam, AuthProps, Auth#auth.pam)}.
%% Access functions for the SSL record.
new_ssl() -> #ssl{}.
ssl_keyfile (#ssl{keyfile = X}) -> X.
ssl_certfile (#ssl{certfile = X}) -> X.
ssl_verify (#ssl{verify = X}) -> X.
ssl_fail_if_no_peer_cert(#ssl{fail_if_no_peer_cert = X}) -> X.
ssl_depth (#ssl{depth = X}) -> X.
ssl_password (#ssl{password = X}) -> X.
ssl_cacertfile (#ssl{cacertfile = X}) -> X.
ssl_ciphers (#ssl{ciphers = X}) -> X.
ssl_cachetimeout (#ssl{cachetimeout = X}) -> X.
ssl_secure_renegotiate (#ssl{secure_renegotiate = X}) -> X.
ssl_keyfile (S, File) -> S#ssl{keyfile = File}.
ssl_certfile (S, File) -> S#ssl{certfile = File}.
ssl_verify (S, Verify) -> S#ssl{verify = Verify}.
ssl_fail_if_no_peer_cert(S, Bool) -> S#ssl{fail_if_no_peer_cert = Bool}.
ssl_depth (S, Depth) -> S#ssl{depth = Depth}.
ssl_password (S, Pass) -> S#ssl{password = Pass}.
ssl_cacertfile (S, File) -> S#ssl{cacertfile = File}.
ssl_ciphers (S, Ciphers) -> S#ssl{ciphers = Ciphers}.
ssl_cachetimeout (S, Timeout) -> S#ssl{cachetimeout = Timeout}.
ssl_secure_renegotiate (S, Bool) -> S#ssl{secure_renegotiate = Bool}.
setup_ssl(SL, DefaultSSL) ->
case lkup(ssl, SL, undefined) of
undefined ->
DefaultSSL;
SSL when is_record(SSL, ssl) ->
SSL;
SSLProps when is_list(SSLProps) ->
SSL = #ssl{},
#ssl{keyfile = lkup(keyfile, SSLProps,
SSL#ssl.keyfile),
certfile = lkup(certfile, SSLProps,
SSL#ssl.certfile),
verify = lkup(verify, SSLProps, SSL#ssl.verify),
fail_if_no_peer_cert = lkup(fail_if_no_peer_cert, SSLProps,
SSL#ssl.fail_if_no_peer_cert),
depth = lkup(depth, SSLProps, SSL#ssl.depth),
password = lkup(password, SSLProps,
SSL#ssl.password),
cacertfile = lkup(cacertfile, SSLProps,
SSL#ssl.cacertfile),
ciphers = lkup(ciphers, SSLProps,
SSL#ssl.ciphers),
cachetimeout = lkup(cachetimeout, SSLProps,
SSL#ssl.cachetimeout),
secure_renegotiate = lkup(secure_renegotiate, SSLProps,
SSL#ssl.secure_renegotiate)}
end.
%% Access functions for the DEFLATE record.
new_deflate() -> #deflate{}.
deflate_min_compress_size(#deflate{min_compress_size = X}) -> X.
deflate_compression_level(#deflate{compression_level = X}) -> X.
deflate_window_size (#deflate{window_size = X}) -> X.
deflate_mem_level (#deflate{mem_level = X}) -> X.
deflate_strategy (#deflate{strategy = X}) -> X.
deflate_use_gzip_static (#deflate{use_gzip_static = X}) -> X.
deflate_mime_types (#deflate{mime_types = X}) -> X.
deflate_min_compress_size(D, Min) -> D#deflate{min_compress_size = Min}.
deflate_compression_level(D, Level) -> D#deflate{compression_level = Level}.
deflate_window_size (D, Size) -> D#deflate{window_size = Size}.
deflate_mem_level (D, Level) -> D#deflate{mem_level = Level}.
deflate_strategy (D, Strat) -> D#deflate{strategy = Strat}.
deflate_use_gzip_static (D, Bool) -> D#deflate{use_gzip_static = Bool}.
deflate_mime_types (D, Types) -> D#deflate{mime_types = Types}.
setup_deflate(SL, DefaultDeflate) ->
case lkup(deflate_options, SL, undefined) of
undefined ->
DefaultDeflate;
D when is_record(D, deflate) ->
D;
DProps when is_list(DProps) ->
D = #deflate{},
#deflate{min_compress_size = lkup(min_compress_size, DProps,
D#deflate.min_compress_size),
compression_level = lkup(compression_level, DProps,
D#deflate.compression_level),
window_size = lkup(window_size, DProps,
D#deflate.window_size),
mem_level = lkup(mem_level, DProps,
D#deflate.mem_level),
strategy = lkup(strategy, DProps,
D#deflate.strategy),
use_gzip_static = lkup(use_gzip_static, DProps,
D#deflate.use_gzip_static),
mime_types = lkup(mime_types, DProps,
D#deflate.mime_types)}
end.
%% Access functions to MIME_TYPES_INFO record.
new_mime_types_info() -> #mime_types_info{}.
mime_types_info_mime_types_file(#mime_types_info{mime_types_file = X}) -> X.
mime_types_info_types (#mime_types_info{types = X}) -> X.
mime_types_info_charsets (#mime_types_info{charsets = X}) -> X.
mime_types_info_default_type (#mime_types_info{default_type = X}) -> X.
mime_types_info_default_charset(#mime_types_info{default_charset = X}) -> X.
mime_types_info_mime_types_file(M, File) ->
M#mime_types_info{mime_types_file = File}.
mime_types_info_types(M, Types) ->
M#mime_types_info{types = Types}.
mime_types_info_charsets(M, Charsets) ->
M#mime_types_info{charsets = Charsets}.
mime_types_info_default_type(M, Type) ->
M#mime_types_info{default_type = Type}.
mime_types_info_default_charset(M, Charset) ->
M#mime_types_info{default_charset = Charset}.
setup_mime_types_info(SL, DefaultMTI) ->
case lkup(mime_types_info, SL, undefined) of
undefined ->
DefaultMTI;
M when is_record(M, mime_types_info) ->
M;
MProps when is_list(MProps) ->
M = #mime_types_info{},
#mime_types_info{mime_types_file =
lkup(mime_types_file, MProps,
M#mime_types_info.mime_types_file),
types = lkup(types, MProps,
M#mime_types_info.types),
charsets = lkup(charsets, MProps,
M#mime_types_info.charsets),
default_type =
lkup(default_type, MProps,
M#mime_types_info.default_type),
default_charset =
lkup(default_charset, MProps,
M#mime_types_info.default_charset)}
end.
%% Setup global configuration
setup_gconf([], GC) -> GC;
setup_gconf(GL, GC) ->
#gconf{yaws_dir = lkup(yaws_dir, GL, GC#gconf.yaws_dir),
trace = lkup(trace, GL, GC#gconf.trace),
flags = set_gc_flags(lkup(flags, GL, []),
GC#gconf.flags),
logdir = lkup(logdir, GL, GC#gconf.logdir),
ebin_dir = lkup(ebin_dir, GL, GC#gconf.ebin_dir),
src_dir = lkup(src_dir, GL, GC#gconf.src_dir),
runmods = lkup(runmods, GL, GC#gconf.runmods),
keepalive_timeout = lkup(keepalive_timeout, GL,
GC#gconf.keepalive_timeout),
keepalive_maxuses = lkup(keepalive_maxuses, GL,
GC#gconf.keepalive_maxuses),
max_num_cached_files = lkup(max_num_cached_files, GL,
GC#gconf.max_num_cached_files),
max_num_cached_bytes = lkup(max_num_cached_bytes, GL,
GC#gconf.max_num_cached_bytes),
max_size_cached_file = lkup(max_size_cached_file, GL,
GC#gconf.max_size_cached_file),
max_connections = lkup(max_connections, GL,
GC#gconf.max_connections),
process_options = lkup(process_options, GL,
GC#gconf.process_options),
large_file_chunk_size = lkup(large_file_chunk_size, GL,
GC#gconf.large_file_chunk_size),
mnesia_dir = lkup(mnesia_dir, GL, GC#gconf.mnesia_dir),
log_wrap_size = lkup(log_wrap_size, GL,
GC#gconf.log_wrap_size),
cache_refresh_secs = lkup(cache_refresh_secs, GL,
GC#gconf.cache_refresh_secs),
include_dir = lkup(include_dir, GL, GC#gconf.include_dir),
phpexe = lkup(phpexe, GL, GC#gconf.phpexe),
yaws = lkup(yaws, GL, GC#gconf.yaws),
id = lkup(id, GL, GC#gconf.id),
enable_soap = lkup(enable_soap, GL, GC#gconf.enable_soap),
soap_srv_mods = lkup(soap_srv_mods, GL,
GC#gconf.soap_srv_mods),
ysession_mod = lkup(ysession_mod, GL,
GC#gconf.ysession_mod),
acceptor_pool_size = lkup(acceptor_pool_size, GL,
GC#gconf.acceptor_pool_size),
mime_types_info = setup_mime_types_info(
GL, GC#gconf.mime_types_info
),
nslookup_pref = lkup(nslookup_pref, GL,
GC#gconf.nslookup_pref)
}.
set_gc_flags([{tty_trace, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags,?GC_TTY_TRACE, Bool));
set_gc_flags([{debug, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags, ?GC_DEBUG, Bool));
set_gc_flags([{copy_errlog, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags, ?GC_COPY_ERRLOG, Bool));
set_gc_flags([{copy_error_log, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags, ?GC_COPY_ERRLOG, Bool));
set_gc_flags([{backwards_compat_parse, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags, ?GC_BACKWARDS_COMPAT_PARSE, Bool));
set_gc_flags([{log_resolve_hostname, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags, ?GC_LOG_RESOLVE_HOSTNAME, Bool));
set_gc_flags([{fail_on_bind_err, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags,?GC_FAIL_ON_BIND_ERR,Bool));
set_gc_flags([{pick_first_virthost_on_nomatch, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags, ?GC_PICK_FIRST_VIRTHOST_ON_NOMATCH,Bool));
set_gc_flags([{use_old_ssl, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags,?GC_USE_OLD_SSL,Bool));
set_gc_flags([{use_erlang_sendfile, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags,?GC_USE_ERLANG_SENDFILE,Bool));
set_gc_flags([{use_yaws_sendfile, Bool}|T], Flags) ->
set_gc_flags(T, flag(Flags,?GC_USE_YAWS_SENDFILE,Bool));
set_gc_flags([_|T], Flags) ->
set_gc_flags(T, Flags);
set_gc_flags([], Flags) ->
Flags.
%% Setup vhost configuration
setup_sconf(SL, SC) ->
#sconf{port = lkup(port, SL, SC#sconf.port),
flags = set_sc_flags(lkup(flags, SL, []),
SC#sconf.flags),
redirect_map = lkup(redirect_map, SL,
SC#sconf.redirect_map),
rhost = lkup(rhost, SL, SC#sconf.rhost),
rmethod = lkup(rmethod, SL, SC#sconf.rmethod),
docroot = lkup(docroot, SL, SC#sconf.docroot),
xtra_docroots = lkup(xtra_docroots, SL,
SC#sconf.xtra_docroots),
listen = lkup(listen, SL, SC#sconf.listen),
servername = lkup(servername, SL, SC#sconf.servername),
serveralias = lkup(serveralias, SL, SC#sconf.serveralias),
yaws = lkup(yaws, SL, SC#sconf.yaws),
ets = lkup(ets, SL, SC#sconf.ets),
ssl = setup_ssl(SL, SC#sconf.ssl),
authdirs = setup_authdirs(SL, SC#sconf.authdirs),
partial_post_size = lkup(partial_post_size, SL,
SC#sconf.partial_post_size),
appmods = lkup(appmods, SL, SC#sconf.appmods),
expires = lkup(expires, SL, SC#sconf.expires),
errormod_401 = lkup(errormod_401, SL,
SC#sconf.errormod_401),
errormod_404 = lkup(errormod_404, SL,
SC#sconf.errormod_404),
errormod_crash = lkup(errormod_crash, SL,
SC#sconf.errormod_crash),
arg_rewrite_mod = lkup(arg_rewrite_mod, SL,
SC#sconf.arg_rewrite_mod),
logger_mod = lkup(logger_mod, SL, SC#sconf.logger_mod),
opaque = lkup(opaque, SL, SC#sconf.opaque),
start_mod = lkup(start_mod, SL, SC#sconf.start_mod),
allowed_scripts = lkup(allowed_scripts, SL,
SC#sconf.allowed_scripts),
tilde_allowed_scripts = lkup(tilde_allowed_scripts, SL,
SC#sconf.tilde_allowed_scripts),
index_files = lkup(index_files, SL, SC#sconf.index_files),
revproxy = lkup(revproxy, SL, SC#sconf.revproxy),
soptions = lkup(soptions, SL, SC#sconf.soptions),
extra_cgi_vars = lkup(extra_cgi_vars, SL,
SC#sconf.extra_cgi_vars),
stats = lkup(stats, SL, SC#sconf.stats),
fcgi_app_server = lkup(fcgi_app_server, SL,
SC#sconf.fcgi_app_server),
php_handler = lkup(php_handler, SL, SC#sconf.php_handler),
shaper = lkup(shaper, SL, SC#sconf.shaper),
deflate_options = setup_deflate(SL, SC#sconf.deflate_options),
mime_types_info = setup_mime_types_info(
SL, SC#sconf.mime_types_info
),
dispatch_mod = lkup(dispatchmod, SL, SC#sconf.dispatch_mod)
}.
set_sc_flags([{access_log, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_ACCESS_LOG, Bool));
set_sc_flags([{auth_log, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_AUTH_LOG, Bool));
set_sc_flags([{add_port, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_ADD_PORT, Bool));
set_sc_flags([{statistics, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_STATISTICS, Bool));
set_sc_flags([{tilde_expand, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_TILDE_EXPAND, Bool));
set_sc_flags([{dir_listings, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_DIR_LISTINGS, Bool));
set_sc_flags([{deflate, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_DEFLATE, Bool));
set_sc_flags([{dir_all_zip, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_DIR_ALL_ZIP, Bool));
set_sc_flags([{dav, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_DAV, Bool));
set_sc_flags([{fcgi_trace_protocol, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_FCGI_TRACE_PROTOCOL, Bool));
set_sc_flags([{fcgi_log_app_error, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_FCGI_LOG_APP_ERROR, Bool));
set_sc_flags([{forward_proxy, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_FORWARD_PROXY, Bool));
set_sc_flags([{auth_skip_docroot, Bool}|T], Flags) ->
set_sc_flags(T, flag(Flags, ?SC_AUTH_SKIP_DOCROOT, Bool));
set_sc_flags([_Unknown|T], Flags) ->
error_logger:format("Unknown and unhandled flag ~p~n", [_Unknown]),
set_sc_flags(T, Flags);
set_sc_flags([], Flags) ->
Flags.
lkup(Key, List, Def) ->
case lists:keyfind(Key, 1, List) of
{_,Value} -> Value;
_ -> Def
end.
hup(Sock) ->
spawn(fun() ->
group_leader(whereis(user), self()),
dohup(Sock)
end).
dohup(Sock) ->
Env = yaws_sup:get_app_args(),
Res = try yaws_config:load(Env) of
{ok, Gconf, Sconfs} -> yaws_api:setconf(Gconf, Sconfs);
Err -> Err
catch
_:X ->
X
end,
gen_event:notify(yaws_event_manager, {yaws_hupped, Res}),
yaws_log:rotate(Res),
gen_tcp:send(Sock, io_lib:format("hupped: ~p~n", [Res])),
gen_tcp:close(Sock).
%%% misc funcs
first(_F, []) ->
false;
first(F, [H|T]) ->
case F(H) of
{ok, Val} -> {ok, Val, H};
ok -> {ok, ok, H};
_ -> first(F, T)
end.
elog(F, As) ->
error_logger:format(F, As).
filesize(Fname) ->
case file:read_file_info(Fname) of
{ok, FI} when FI#file_info.type == regular ->
{ok, FI#file_info.size};
{ok, FI} ->
{error, FI#file_info.type};
Err ->
Err
end.
upto(_I, []) -> [];
upto(0, _) -> " ....";
upto(_I, [0|_]) -> " ....";
upto(I, [H|T]) -> [H|upto(I-1, T)].
to_string(X) when is_float(X) -> io_lib:format("~.2.0f",[X]);
to_string(X) when is_integer(X) -> erlang:integer_to_list(X);
to_string(X) when is_atom(X) -> atom_to_list(X);
to_string(X) -> lists:concat([X]).
to_list(L) when is_list(L) -> L;
to_list(A) when is_atom(A) -> atom_to_list(A).
integer_to_hex(I) ->
case catch erlang:integer_to_list(I, 16) of
{'EXIT', _} -> old_integer_to_hex(I);
Int -> Int
end.
old_integer_to_hex(I) when I < 10 ->
integer_to_list(I);
old_integer_to_hex(I) when I < 16 ->
[I-10+$A];
old_integer_to_hex(I) when I >= 16 ->
N = trunc(I/16),
old_integer_to_hex(N) ++ old_integer_to_hex(I rem 16).
hex_to_integer(Hex) ->
erlang:list_to_integer(Hex, 16).
string_to_hex(String) ->
HEXC = fun (D) when D > 9 -> $a + D - 10;
(D) -> $0 + D
end,
lists:foldr(fun(E, Acc) -> [HEXC(E div 16),HEXC(E rem 16)|Acc] end,
[], String).
hex_to_string(Hex) ->
DEHEX = fun (H) when H >= $a -> H - $a + 10;
(H) when H >= $A -> H - $A + 10;
(H) -> H - $0
end,
{String, _} =
lists:foldr(fun (E, {Acc, nolow}) -> {Acc, DEHEX(E)};
(E, {Acc, LO}) -> {[DEHEX(E)*16+LO|Acc], nolow}
end, {[], nolow}, Hex),
String.
universal_time_as_string() ->
universal_time_as_string(calendar:universal_time()).
universal_time_as_string(UTime) ->
time_to_string(UTime, "GMT").
local_time_as_gmt_string(LocalTime) ->
time_to_string(erlang:localtime_to_universaltime(LocalTime), "GMT").
time_to_string({{Year, Month, Day}, {Hour, Min, Sec}}, Zone) ->
[day(Year, Month, Day), ", ",
mk2(Day), " ", month(Month), " ", erlang:integer_to_list(Year), " ",
mk2(Hour), ":", mk2(Min), ":", mk2(Sec), " ", Zone].
mk2(I) when I < 10 -> [$0 | erlang:integer_to_list(I)];
mk2(I) -> erlang:integer_to_list(I).
day(Year, Month, Day) ->
int_to_wd(calendar:day_of_the_week(Year, Month, Day)).
int_to_wd(1) -> "Mon";
int_to_wd(2) -> "Tue";
int_to_wd(3) -> "Wed";
int_to_wd(4) -> "Thu";
int_to_wd(5) -> "Fri";
int_to_wd(6) -> "Sat";
int_to_wd(7) -> "Sun".
month(1) -> "Jan";
month(2) -> "Feb";
month(3) -> "Mar";
month(4) -> "Apr";
month(5) -> "May";
month(6) -> "Jun";
month(7) -> "Jul";
month(8) -> "Aug";
month(9) -> "Sep";
month(10) -> "Oct";
month(11) -> "Nov";
month(12) -> "Dec".
month_str_to_int("Jan") -> 1;
month_str_to_int("Feb") -> 2;
month_str_to_int("Mar") -> 3;
month_str_to_int("Apr") -> 4;
month_str_to_int("May") -> 5;
month_str_to_int("Jun") -> 6;
month_str_to_int("Jul") -> 7;
month_str_to_int("Aug") -> 8;
month_str_to_int("Sep") -> 9;
month_str_to_int("Oct") -> 10;
month_str_to_int("Nov") -> 11;
month_str_to_int("Dec") -> 12.
stringdate_to_datetime([$ |T]) ->
stringdate_to_datetime(T);
stringdate_to_datetime([_D1, _D2, _D3, $\,, $ |Tail]) ->
stringdate_to_datetime1(Tail).
stringdate_to_datetime1([A, B, $\s |T]) ->
stringdate_to_datetime2(T, erlang:list_to_integer([A,B]));
stringdate_to_datetime1([A, $\s |T]) ->
stringdate_to_datetime2(T, erlang:list_to_integer([A])).
stringdate_to_datetime2([M1, M2, M3, $\s , Y1, Y2, Y3, Y4, $\s,
H1, H2, $:, Min1, Min2,$:,
S1, S2,$\s ,$G, $M, $T|_], Day) ->
{{erlang:list_to_integer([Y1,Y2,Y3,Y4]),
month_str_to_int([M1, M2, M3]), Day},
{erlang:list_to_integer([H1, H2]),
erlang:list_to_integer([Min1, Min2]),
erlang:list_to_integer([S1, S2])}}.
%% used by If-Modified-Since header code
is_modified_p(FI, UTC_string) ->
case catch stringdate_to_datetime(UTC_string) of
{'EXIT', _ } ->
true;
UTC ->
MtimeUTC = erlang:localtime_to_universaltime(FI#file_info.mtime),
(MtimeUTC > UTC)
end.
ticker(Time, Msg) ->
ticker(Time, self(), Msg).
ticker(Time, To, Msg ) ->
spawn_link(fun() ->
process_flag(trap_exit, true),
yaws_ticker:ticker(Time, To, Msg)
end).
address() ->
Sc = get(sc),
?F("<address> ~s Server at ~s </address>",
[case Sc#sconf.yaws of
undefined -> (get(gc))#gconf.yaws;
Signature -> Signature
end, Sc#sconf.servername]).
is_space($\s) -> true;
is_space($\r) -> true;
is_space($\n) -> true;
is_space($\t) -> true;
is_space(_) -> false.
strip_spaces(String) ->
strip_spaces(String, both).
strip_spaces(String, left) ->
drop_spaces(String);
strip_spaces(String, right) ->
lists:reverse(drop_spaces(lists:reverse(String)));
strip_spaces(String, both) ->
strip_spaces(drop_spaces(String), right).
drop_spaces([]) ->
[];
drop_spaces(YS=[X|XS]) ->
case is_space(X) of
true -> drop_spaces(XS);
false -> YS
end.
%%% basic uuencode and decode functionality
list_to_uue(L) -> list_to_uue(L, []).
list_to_uue([], Out) ->
lists:reverse([$\n,enc(0)|Out]);
list_to_uue(L, Out) ->
{L45, L1} = get_45(L),
Encoded = encode_line(L45),
list_to_uue(L1, lists:reverse(Encoded, Out)).
uue_to_list(L) ->
uue_to_list(L, []).
uue_to_list([], Out) ->
lists:reverse(Out);
uue_to_list(L, Out) ->
{Decoded, L1} = decode_line(L),
uue_to_list(L1, lists:reverse(Decoded, Out)).
encode_line(L) ->
[enc(length(L))|encode_line1(L)].
encode_line1([C0, C1, C2|T]) ->
Char1 = enc(C0 bsr 2),
Char2 = enc((C0 bsl 4) band 8#60 bor (C1 bsr 4) band 8#17),
Char3 = enc((C1 bsl 2) band 8#74 bor (C2 bsr 6) band 8#3),
Char4 = enc(C2 band 8#77),
[Char1,Char2,Char3,Char4|encode_line1(T)];
encode_line1([C1, C2]) ->
encode_line1([C1, C2, 0]);
encode_line1([C]) ->
encode_line1([C,0,0]);
encode_line1([]) ->
[$\n].
decode_line([H|T]) ->
case dec(H) of
0 -> {[], []};
Len -> decode_line(T, Len, [])
end.
decode_line([P0,P1,P2,P3|T], N, Out) when N >= 3->
Char1 = 16#FF band ((dec(P0) bsl 2) bor (dec(P1) bsr 4)),
Char2 = 16#FF band ((dec(P1) bsl 4) bor (dec(P2) bsr 2)),
Char3 = 16#FF band ((dec(P2) bsl 6) bor dec(P3)),
decode_line(T, N-3, [Char3,Char2,Char1|Out]);
decode_line([P0,P1,P2,_|T], 2, Out) ->
Char1 = 16#FF band ((dec(P0) bsl 2) bor (dec(P1) bsr 4)),
Char2 = 16#FF band ((dec(P1) bsl 4) bor (dec(P2) bsr 2)),
{lists:reverse([Char2,Char1|Out]), tl(T)};
decode_line([P0,P1,_,_|T], 1, Out) ->
Char1 = 16#FF band ((dec(P0) bsl 2) bor (dec(P1) bsr 4)),
{lists:reverse([Char1|Out]), tl(T)};
decode_line(T, 0, Out) ->
{lists:reverse(Out), tl(T)}.
get_45(L) -> get_45(L, 45, []).
get_45(L, 0, F) -> {lists:reverse(F), L};
get_45([], _N, L) -> {lists:reverse(L), []};
get_45([H|T], N, L) -> get_45(T, N-1, [H|L]).
%% enc/1 is the basic 1 character encoding function to make a char printing
%% dec/1 is the inverse
enc(0) -> $`;
enc(C) -> (C band 8#77) + $ .
dec(Char) -> (Char - $ ) band 8#77.
printversion() ->
io:format("Yaws ~s~n", [yaws_generated:version()]),
init:stop().
%% our default arg rewriter does of course nothing
arg_rewrite(A) ->
A.
is_ssl(#sconf{ssl = undefined}) -> nossl;
is_ssl(#sconf{ssl = S}) when is_record(S, ssl) -> ssl.
to_lowerchar(C) when C >= $A, C =< $Z -> C+($a-$A);
to_lowerchar(C) -> C.
to_lower([]) -> [];
to_lower([C|Cs]) when C >= $A, C =< $Z -> [C+($a-$A)|to_lower(Cs)];
to_lower([C|Cs]) -> [C|to_lower(Cs)];
to_lower(A) when is_atom(A) -> to_lower(atom_to_list(A)).
funreverse(List, Fun) ->
funreverse(List, Fun, []).
funreverse([H|T], Fun, Ack) -> funreverse(T, Fun, [Fun(H)|Ack]);
funreverse([], _Fun, Ack) -> Ack.
%% is arg1 a prefix of arg2
is_prefix([H|T1], [H|T2]) -> is_prefix(T1, T2);
is_prefix([], T) -> {true, T};
is_prefix(_,_) -> false.